Voice & Data on one link with no effect on voice quality
In principle the idea of VoIP is great, reducing costs and integrating voice with your existing data infrastructure. But while VoIP undoubtedly brings many beneﬁts, users still have to make a number of compromises to reap these rewards.
In reality VoIP suffers from one major problem; call quality quickly degrades over low bandwidth links. VoIP calls can also easily over-subscribe a link making it hard to manage your VoIP system. Getting a network with enough bandwidth to cater for all your VoIP calls and other data can be expensive.
ViBE removes the bandwidth problems that have always been associated with VoIP, allowing calls to be carried over cost effective ADSL and ﬁnally delivers VoIP without compromise.
G.729 calls require 42kbps of bandwidth when transmitted over a broadband link due to overheads, whereas the actual voice data only needs 8kbps. ViBE removes many of these overheads and maximises the bandwidth usage.
ViBE can be conﬁgured to create one or more virtual private networks between several sites, ensuring that your voice and data remain secure.
ViBE can intelligently control resiliency options on the IP network in order to ensure continuity of calls. ViBE will detect a network failure in less than one second and take remedial action.
Multiple links can be bonded efﬁciently, so for example, two standard 512Kb / 256Kb broadband lines could be used to manage 50 simultaneous calls while still carrying other data.
Average call jitter across the WAN is reduced to the order of 1ms whether or not data is present on the same link. This compares with more than 100ms of jitter typically found on a standard broadband connection.
End-to-End latency is reduced, especially in the presence of high data loads. With standard broadband, endto-end latency can easily rise above 100ms, causing conversations to become disjointed. ViBE completely eliminates this problem.
Optional reporting generates statistics such as the number of simultaneous calls over time, link latency, uptime, and packet loss, as well as call jitter.
Typically ViBE can be deployed in two ways, as a point–to-point conﬁguration or in a service provider / enterprise conﬁguration that can handle multiple customer locations.